Question 106
Find the odd one out of the following and give reasons.
(a) 43×34
(b) −32×−23
(c) 2×12
(d) −13×31
The product of the terms given is positive in all cases except (d) −13×31=−1.
Identify the linear polynomials among the following.
1. 1x−1
2. √x+2
3. √3x+5
4. y+√2
Identify the quadratic polynomials among the following.
1. 3x2+2x+1
2.x2+2x+3
3.√3x2+5
4.y+√2
Question 109
(a)−37(b)−915(c)2420(d)3525
Number of real solution(s) of the equation |x−3|3x2−10x+3=1 is
If P(A) = 1/3, P(B) = 1/2 and P(A U B) = 2/3, then